/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package src.Controller;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import src.Entities.Usuario;
import src.DAO.UsuarioDAO;

/**
 *
 * @author Rodrigo
 */
public class LoginServlet extends HttpServlet {

    static String user;
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet LoginServlet</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet LoginServlet at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
             */
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

            user = request.getParameter("username");
            String pass = request.getParameter("password");

            if (user != null && pass != null) {
                
                UsuarioDAO udao = new UsuarioDAO();
                String sql = "SELECT * " +
                        "       FROM usuario" +
                        "      WHERE mail = '" + user + "'" +
                        "        AND pass = '" + pass + "';";
                List<Usuario> result = udao.selectUsuario(sql);

                if (result.size() > 0) {
                    Usuario usuario = new Usuario(result.get(0).getUserId(), result.get(0).getPersonaId(),
                            result.get(0).getpass(), result.get(0).getmail(), result.get(0).getEsAdmin());
                    if (usuario.getEsAdmin() == 'Y') {
                        response.sendRedirect("admin.jsp");
                    } else {
                        response.sendRedirect("menu.jsp");
                    }
                } else {
                    user = "Usuario o contraseña inválidos";
                    response.sendRedirect("index.jsp");
                }
            } else {
                response.sendRedirect("menu.jsp");
            }
    }
    
    public static String obtieneNombreDeUsuario(){
        return user;
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
